package top.hyperplasma.hyprojai.repository;

import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Component
public class InMemoryChatHistoryRepository implements ChatHistoryRepository {

    private final Map<String, List<String>> chatHistory = new HashMap<>();

    @Override
    public void save(String type, String chatId) {
        // if (!chatHistory.containsKey(type)) {
        //     chatHistory.put(type, new ArrayList<>());
        // }
        // List<String> chatIds = chatHistory.get(type);
        List<String> chatIds = chatHistory.computeIfAbsent(type, k -> new ArrayList<>());
        if (!chatIds.contains(chatId)) {
            chatIds.add(chatId);
        }
    }

    @Override
    public List<String> getChatIds(String type) {
        // List<String> chatIds = chatHistory.get(type);
        // return chatIds == null ? new ArrayList<>() : chatIds;
        return chatHistory.getOrDefault(type, new ArrayList<>());
    }
}
